JP2005508517A - 高い負のスロープを有する分散補償ファイバ及びこれを含む伝送システム - Google Patents
高い負のスロープを有する分散補償ファイバ及びこれを含む伝送システム Download PDFInfo
- Publication number
- JP2005508517A JP2005508517A JP2003542361A JP2003542361A JP2005508517A JP 2005508517 A JP2005508517 A JP 2005508517A JP 2003542361 A JP2003542361 A JP 2003542361A JP 2003542361 A JP2003542361 A JP 2003542361A JP 2005508517 A JP2005508517 A JP 2005508517A
- Authority
- JP
- Japan
- Prior art keywords
- dispersion
- fiber
- segment
- optical fiber
- negative
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000006185 dispersion Substances 0.000 title claims abstract description 222
- 239000000835 fiber Substances 0.000 title claims abstract description 186
- 230000005540 biological transmission Effects 0.000 title claims description 39
- 239000013307 optical fiber Substances 0.000 claims abstract description 38
- 230000003287 optical effect Effects 0.000 claims abstract description 12
- 238000009826 distribution Methods 0.000 claims description 33
- 238000005253 cladding Methods 0.000 claims description 18
- 238000004891 communication Methods 0.000 abstract description 3
- 238000005452 bending Methods 0.000 description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 239000004071 soot Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 5
- 239000002019 doping agent Substances 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000007596 consolidation process Methods 0.000 description 4
- 229910052732 germanium Inorganic materials 0.000 description 4
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- 239000001307 helium Substances 0.000 description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 229920003266 Leaf® Polymers 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 229910004014 SiF4 Inorganic materials 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium oxide Inorganic materials O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- PVADDRMAFCOOPC-UHFFFAOYSA-N oxogermanium Chemical compound [Ge]=O PVADDRMAFCOOPC-UHFFFAOYSA-N 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- ABTOQLMXBSRXSM-UHFFFAOYSA-N silicon tetrafluoride Chemical compound F[Si](F)(F)F ABTOQLMXBSRXSM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03661—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 4 layers only
- G02B6/03677—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 4 layers only arranged - + + -
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02214—Optical fibres with cladding with or without a coating tailored to obtain the desired dispersion, e.g. dispersion shifted, dispersion flattened
- G02B6/02219—Characterised by the wavelength dispersion properties in the silica low loss window around 1550 nm, i.e. S, C, L and U bands from 1460-1675 nm
- G02B6/02252—Negative dispersion fibres at 1550 nm
- G02B6/02261—Dispersion compensating fibres, i.e. for compensating positive dispersion of other fibres
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02214—Optical fibres with cladding with or without a coating tailored to obtain the desired dispersion, e.g. dispersion shifted, dispersion flattened
- G02B6/0228—Characterised by the wavelength dispersion slope properties around 1550 nm
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
- G02B6/0286—Combination of graded index in the central core segment and a graded index layer external to the central core segment
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03638—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only
- G02B6/03644—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only arranged - + -
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
- H04B10/2513—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion
- H04B10/2525—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion using dispersion-compensating fibres
- H04B10/25253—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion using dispersion-compensating fibres with dispersion management, i.e. using a combination of different kind of fibres in the transmission system
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03605—Highest refractive index not on central axis
- G02B6/03611—Highest index adjacent to central axis region, e.g. annular core, coaxial ring, centreline depression affecting waveguiding
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29371—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating principle based on material dispersion
- G02B6/29374—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating principle based on material dispersion in an optical light guide
- G02B6/29376—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating principle based on material dispersion in an optical light guide coupling light guides for controlling wavelength dispersion, e.g. by concatenation of two light guides having different dispersion properties
- G02B6/29377—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating principle based on material dispersion in an optical light guide coupling light guides for controlling wavelength dispersion, e.g. by concatenation of two light guides having different dispersion properties controlling dispersion around 1550 nm, i.e. S, C, L and U bands from 1460-1675 nm
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/013,297 US6711332B2 (en) | 2001-11-05 | 2001-11-05 | Highly negative-slope dispersion compensating fiber and transmission system including same |
| PCT/US2002/033685 WO2003040776A2 (en) | 2001-11-05 | 2002-10-22 | Highly negative-slope dispersion compensating optical fiber and transmission system including the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005508517A true JP2005508517A (ja) | 2005-03-31 |
| JP2005508517A5 JP2005508517A5 (enExample) | 2005-12-22 |
Family
ID=21759230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003542361A Pending JP2005508517A (ja) | 2001-11-05 | 2002-10-22 | 高い負のスロープを有する分散補償ファイバ及びこれを含む伝送システム |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6711332B2 (enExample) |
| EP (1) | EP1442324A2 (enExample) |
| JP (1) | JP2005508517A (enExample) |
| KR (1) | KR20050056916A (enExample) |
| AU (1) | AU2002363515A1 (enExample) |
| WO (1) | WO2003040776A2 (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005309026A (ja) * | 2004-04-21 | 2005-11-04 | Furukawa Electric Co Ltd:The | 光ファイバ及びこの光ファイバを用いた光信号処理装置 |
| JP2014513411A (ja) * | 2011-03-01 | 2014-05-29 | オーエフエス ファイテル,エルエルシー | 高次モードファイバを用いる超短パルスのファイバデリバリーのための方法、およびシステム |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4413456B2 (ja) * | 2001-08-27 | 2010-02-10 | 古河電気工業株式会社 | 負分散光ファイバおよび該負分散光ファイバを用いた光伝送路 |
| US6757468B2 (en) * | 2002-03-14 | 2004-06-29 | Corning Incorporated | Dispersion compensation optical fiber and optical transmission line using same |
| US7239783B2 (en) * | 2002-07-01 | 2007-07-03 | Sumitomo Electric Industries, Ltd. | Optical fiber, dispersion compensator, and optical transmission system |
| US7206484B2 (en) * | 2002-07-01 | 2007-04-17 | Sumitomo Electric Industries, Ltd. | Optical fiber, dispersion compensator, and optical transmission system |
| JP2004157507A (ja) * | 2002-07-26 | 2004-06-03 | Furukawa Electric Co Ltd:The | 分散補償モジュールおよびこれを用いた光伝送システム |
| US20040101241A1 (en) * | 2002-11-22 | 2004-05-27 | Kohnke Glenn E. | Fiber grating/DC fiber hybrid dispersion compensation module |
| US6993228B2 (en) | 2003-08-13 | 2006-01-31 | Corning Incorporated | Dispersion compensated optical fiber transmission system and module including micro-structured optical fiber |
| US6985662B2 (en) * | 2003-10-30 | 2006-01-10 | Corning Incorporated | Dispersion compensating fiber for moderate dispersion NZDSF and transmission system utilizing same |
| US20050185905A1 (en) * | 2004-02-20 | 2005-08-25 | Burke James P. | Dispersion correction fiber, transmission system and method of operating same |
| KR101157949B1 (ko) | 2005-06-29 | 2012-06-25 | 엘지디스플레이 주식회사 | 보호회로, 이의 구동방법, 이를 사용한 액정표시장치, 및이를 사용한 액정표시장치의 구동방법 |
| US7274848B1 (en) * | 2006-08-30 | 2007-09-25 | Corning Incorporated | High figure of merit dispersion compensating optical fiber for transmission fiber and transmission system utilizing same |
| US8693834B2 (en) * | 2011-08-15 | 2014-04-08 | Corning Incorporated | Few mode optical fibers for mode division multiplexing |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1107028A (en) | 1965-11-17 | 1968-03-20 | British Railways Board | Improvements relating to systems for transmitting information to moving trains |
| US4629485A (en) * | 1983-09-26 | 1986-12-16 | Corning Glass Works | Method of making fluorine doped optical preform and fiber and resultant articles |
| US5361319A (en) * | 1992-02-04 | 1994-11-01 | Corning Incorporated | Dispersion compensating devices and systems |
| US5448674A (en) * | 1992-11-18 | 1995-09-05 | At&T Corp. | Article comprising a dispersion-compensating optical waveguide |
| EP0598554B1 (en) * | 1992-11-18 | 1999-05-12 | AT&T Corp. | Negative dispersion optical fiber |
| US5999679A (en) * | 1997-07-14 | 1999-12-07 | Corning Incorporated | Dispersion compensating single mode waveguide |
| CA2232101A1 (en) * | 1997-03-25 | 1998-09-25 | Kazunori Mukasa | Dispersion compensating optical fiber, and wavelength division multiplex light transmission line using the same |
| EP1130428A4 (en) | 1998-09-18 | 2005-08-31 | Sumitomo Electric Industries | FIBER WITH DISPERSION COMPENSATION |
| JP2002543464A (ja) | 1999-04-30 | 2002-12-17 | コーニング インコーポレイテッド | 分散補償光ファイバ |
| WO2000070378A1 (en) * | 1999-05-17 | 2000-11-23 | The Furukawa Electric Co., Ltd. | Optical fiber and optical transmission line comprising the optical fiber |
| FR2795828B1 (fr) * | 1999-06-29 | 2001-10-05 | Cit Alcatel | Fibre optique pour la compensation de la dispersion chromatique d'une fibre optique a dispersion chromatique positive |
| US6445864B2 (en) | 2000-03-24 | 2002-09-03 | Corning Incorporated | Dispersion compensating optical fiber |
| DE60137119D1 (de) | 2000-03-30 | 2009-02-05 | Corning Inc | Dispersionsneigungkompensierender lichtwellenleiter |
| AU783168B2 (en) | 2000-06-23 | 2005-09-29 | Sumitomo Electric Industries, Ltd. | Optical fiber, optical transmission line and dispersion compensating module |
| JP2002062450A (ja) * | 2000-08-14 | 2002-02-28 | Sumitomo Electric Ind Ltd | 分散補償光ファイバおよび光伝送路 |
| FR2815418B1 (fr) * | 2000-10-16 | 2003-05-16 | Cit Alcatel | Fibre pour la compensation de dispersion chromatique d'une fibre nz-dsf a dispersion chromatique positive |
| FR2815420B1 (fr) | 2000-10-16 | 2003-05-16 | Cit Alcatel | Compensation de la dispersion chromatique dans un systeme de transmission a fibre optique, et fibre de compensation |
| US6943935B2 (en) * | 2001-03-16 | 2005-09-13 | Corning Incorporated | Dispersion-managed cable for raman-assisted transmission |
| US6843076B2 (en) * | 2001-07-30 | 2005-01-18 | Corning Incorporated | Single step laydown method of making dry fiber with complex fluorine doped profile |
| US20030059186A1 (en) * | 2001-09-26 | 2003-03-27 | Hebgen Peter G. | L-band dispersion compensating fiber and transmission system including same |
| US6813907B2 (en) * | 2001-11-30 | 2004-11-09 | Corning Incorporated | Fluorine doping a soot preform |
| US6665481B2 (en) * | 2001-12-20 | 2003-12-16 | Corning Incorporated | Low MPI dispersion compensating fiber |
| US6910352B2 (en) * | 2002-04-24 | 2005-06-28 | Corning Incorporated | Deposition of high fluorine content silica soot |
-
2001
- 2001-11-05 US US10/013,297 patent/US6711332B2/en not_active Expired - Fee Related
-
2002
- 2002-10-22 KR KR1020047006811A patent/KR20050056916A/ko not_active Withdrawn
- 2002-10-22 WO PCT/US2002/033685 patent/WO2003040776A2/en not_active Ceased
- 2002-10-22 JP JP2003542361A patent/JP2005508517A/ja active Pending
- 2002-10-22 AU AU2002363515A patent/AU2002363515A1/en not_active Abandoned
- 2002-10-22 EP EP02799166A patent/EP1442324A2/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005309026A (ja) * | 2004-04-21 | 2005-11-04 | Furukawa Electric Co Ltd:The | 光ファイバ及びこの光ファイバを用いた光信号処理装置 |
| JP2014513411A (ja) * | 2011-03-01 | 2014-05-29 | オーエフエス ファイテル,エルエルシー | 高次モードファイバを用いる超短パルスのファイバデリバリーのための方法、およびシステム |
| JP2016106421A (ja) * | 2011-03-01 | 2016-06-16 | オーエフエス ファイテル,エルエルシー | 高次モードファイバを用いる超短パルスのファイバデリバリーのための方法、およびシステム |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20050056916A (ko) | 2005-06-16 |
| US20030091309A1 (en) | 2003-05-15 |
| US6711332B2 (en) | 2004-03-23 |
| WO2003040776A2 (en) | 2003-05-15 |
| WO2003040776A3 (en) | 2003-11-27 |
| AU2002363515A1 (en) | 2003-05-19 |
| EP1442324A2 (en) | 2004-08-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9778413B2 (en) | Low attenuation fiber with stress relieving layer and a method of making such | |
| US6205279B1 (en) | Single mode optical fiber having multi-step core structure and method of fabricating the same | |
| US10775558B2 (en) | Low loss wide bandwidth optical fiber | |
| US20120040184A1 (en) | Method of Fabricating an Optical Fiber Preform | |
| JP5222752B2 (ja) | 光ファイバ | |
| CN111512200B (zh) | 具有浅槽的弯曲损耗不敏感单模光纤和相应的光学系统 | |
| JP2011507028A (ja) | 耐曲げ性マルチモード光ファイバ | |
| CN101281275A (zh) | 具有大有效面积的传输光纤 | |
| CN101551488A (zh) | 色散位移光纤 | |
| US20190154911A1 (en) | Low loss optical fiber with core codoped with two or more halogens | |
| JP2005508517A (ja) | 高い負のスロープを有する分散補償ファイバ及びこれを含む伝送システム | |
| CN103250079B (zh) | 光纤 | |
| JP2005504334A (ja) | Lバンド分散補償ファイバ及びこれを含む伝送システム | |
| JP2005520200A (ja) | 分散補償光ファイバおよびこれを用いた光伝送線 | |
| EP2657733B1 (en) | Optical fiber | |
| CN100371747C (zh) | 具有波导结构的弯曲不敏感光纤 | |
| JP2006508397A (ja) | Smfの分散補償光ファイバ及びこれを含む伝送リンク | |
| CN100458477C (zh) | 光纤、光传送线路 | |
| JP2005533278A (ja) | 低分散傾斜伝送ファイバのための分散補償ファイバ及びこれを用いた光伝送線 | |
| JP2001255432A (ja) | 高零分散を有する導波路ファイバ | |
| KR20010113819A (ko) | 광섬유 제조방법 | |
| WO2006012107A2 (en) | Large kappa dispersion compensating fiber and transmission system | |
| US20040076392A1 (en) | Low Kappa, dual-moat DC fiber and optical transmission line |